| Q.4 | What is the correct statement related to Avogadro? | |
| Ans | 1. Avogadro discovered a difference between animal and plant cell. | |
| 2. Avogadro made a distinction between atoms and molecules. | ||
| 3. Avogadro discovered electrons. | ||
| 4. Avogadro made a distinction between electrons and neutrons. |
Correct Ans Provided: 2